Nathalie Godin
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View article: Towards the determination of optimal 3D initiation crack shapes
Towards the determination of optimal 3D initiation crack shapes Open
An approach is proposed to determine the optimal initiation crack shapes when using the Coupled Criterion (CC) to assess 3D debonding initiation at a fiber-matrix interface. The optimal crack shapes are determined among potential crack sha…
View article: Fiber-matrix interface characterization in CF/PEEK composites by analysis of single fiber fragmentation
Fiber-matrix interface characterization in CF/PEEK composites by analysis of single fiber fragmentation Open
International audience
View article: Comparison between 2D and 3D fiber-matrix debonding simulation for inverse identification of interface fracture properties
Comparison between 2D and 3D fiber-matrix debonding simulation for inverse identification of interface fracture properties Open
Fiber-matrix debonding in single fiber specimen is studied experimentally and numerically based on the coupled criterion for which various 2D and one 3D configurations are used. Debonding initiation and propagation are mainly due to normal…
View article: Open Review of "Comparison between 2D and 3D fiber-matrix debonding simulation for inverse identification of interface fracture properties"
Open Review of "Comparison between 2D and 3D fiber-matrix debonding simulation for inverse identification of interface fracture properties" Open
Open Review of article https://doi.org/10.46298/jtcam.12997 published in JTCAM
View article: Application of the Acousto-ultrasonics technique to bridge cables in their anchorages.
Application of the Acousto-ultrasonics technique to bridge cables in their anchorages. Open
The objective of this research is to evaluate the state of health of civil engineering cable structures using the acousto-ultrasonics method. More specifically, the element to be examined is the cable in its non-accessible part inside the …
View article: Experimental and numerical investigation of the sensor effect on the acoustic emission during Pencil-lead Break tests on PMMA plates
Experimental and numerical investigation of the sensor effect on the acoustic emission during Pencil-lead Break tests on PMMA plates Open
Pencil leads are broken on PMMA plates at various source-sensor distances to evaluate the influence of the propagation distance and the sensor type on AE signals. The resulting waves are detected using a broadband or a resonant sensor. The…
View article: Acoustic Emission simulation: assessing the influence of AE source modeling and addressing the issue of dimensionality in the propagation medium
Acoustic Emission simulation: assessing the influence of AE source modeling and addressing the issue of dimensionality in the propagation medium Open
A thorough understanding of simulating Acoustic Emission (AE) requires the source modeling and propagation medium to be considered respectively. Crack initiation and propagation simulation as an AE source can be performed by the Successive…
View article: Influence of the node release methods on the acoustic emission signals due to crack initiation
Influence of the node release methods on the acoustic emission signals due to crack initiation Open
National audience
View article: Reduction in the Sensor Effect on Acoustic Emission Data to Create a Generalizable Library by Data Merging
Reduction in the Sensor Effect on Acoustic Emission Data to Create a Generalizable Library by Data Merging Open
The aim of this paper is to discuss the effect of the sensor on the acoustic emission (AE) signature and to develop a methodology to reduce the sensor effect. Pencil leads are broken on PMMA plates at different source–sensor distances, and…
View article: Crack initiation in PMMA plates with circular holes considering kinetic energy and nonlinear elastic material behavior
Crack initiation in PMMA plates with circular holes considering kinetic energy and nonlinear elastic material behavior Open
The coupled criterion (CC) of finite fracture mechanics (FFM) is extended to assess crack initiation in PMMA specimens with holes under quasi-static loading considering nonlinear elastic (NLE) material model and considering the kinetic ene…
View article: On the effect of coatings and pre-corrosion during fatigue tests of 7075-T6 aluminum alloy monitored with acoustic emission (AE)
On the effect of coatings and pre-corrosion during fatigue tests of 7075-T6 aluminum alloy monitored with acoustic emission (AE) Open
Strength hardened aluminum alloys as 7075-T6 al are widely used in aeronautical industry due to their low density and high mechanical properties. Their specific microstructural composition makes them sensitive to corrosion damage at interm…
View article: A computational study of AE signal due to fiber break and fiber matrix debonding in model composite
A computational study of AE signal due to fiber break and fiber matrix debonding in model composite Open
Acoustic emission monitoring is a useful method to deal with detection and identification of damage in composite materials during mechanical tests. From an experimental point of view, it is not straightforward to establish a quantitative l…
View article: Experimental characterization, modelling and simulation of ae signal due to crack propagation in PMMA
Experimental characterization, modelling and simulation of ae signal due to crack propagation in PMMA Open
Acoustic Emission (AE) is a non-destructive instrumentation that allows the detection of cracking, which dissipates elastic waves resulting from local crack-induced displacement jumps within the material. However, based on the AE experimen…
View article: Simulation of acoustic emission in carbon fiber-epoxy matrix composite laminates due to transverse cracking: effect of ply stacking sequence
Simulation of acoustic emission in carbon fiber-epoxy matrix composite laminates due to transverse cracking: effect of ply stacking sequence Open
This work focuses on the numerical simulation of the AE due to transverse cracking in laminate composites. The objective of the work is the experimental characterization and numerical simulation of the influence of the ply thickness and st…
View article: Defects Detection and Identification in Adhesively Bonded Joints between CFRP Laminate and Reinforced Concrete Beam Using Acousto-Ultrasonic Technique
Defects Detection and Identification in Adhesively Bonded Joints between CFRP Laminate and Reinforced Concrete Beam Using Acousto-Ultrasonic Technique Open
Adhesively bonded composite reinforcements have been increasingly used in civil engineering since the 1980s. They depend on the effective transfer of forces throughout the adhesive joint that may be affected by defects or damages. It is th…
View article: Numerical Voids Detection in Bonded Metal/Composite Assemblies Using Acousto-Ultrasonic Method
Numerical Voids Detection in Bonded Metal/Composite Assemblies Using Acousto-Ultrasonic Method Open
This research focuses on the application of an acousto-ultrasonics (AU) technique, a combination of ultrasonic characterization and acoustic emission, to nondestructively detect defects such as voids in bonded metal/composite assemblies. C…
View article: Transverse Cracking Induced Acoustic Emission in Carbon Fiber-Epoxy Matrix Composite Laminates
Transverse Cracking Induced Acoustic Emission in Carbon Fiber-Epoxy Matrix Composite Laminates Open
Transverse cracking induced acoustic emission in carbon fiber/epoxy matrix composite laminates is studied both experimentally and numerically. The influence of the type of sensor, specimen thickness and ply stacking sequence is investigate…
View article: Corrosion in vegetable oils used for the production of bio-fuels
Corrosion in vegetable oils used for the production of bio-fuels Open
International audience
View article: Acoustic Emission Signal Due to Fiber Break and Fiber Matrix Debonding in Model Composite: A Computational Study
Acoustic Emission Signal Due to Fiber Break and Fiber Matrix Debonding in Model Composite: A Computational Study Open
Acoustic emission monitoring is a useful technique to deal with detection and identification of damage in composite materials. Over the last few years, identification of damage through intelligent signal processing was particularly emphasi…
View article: Data Merging of AE Sensors with Different Frequency Resolution for the Detection and Identification of Damage in Oxide-Based Ceramic Matrix Composites
Data Merging of AE Sensors with Different Frequency Resolution for the Detection and Identification of Damage in Oxide-Based Ceramic Matrix Composites Open
In this paper, acoustic emission data fusion based on multiple measurements is presented for damage detection and identification in oxide-based ceramic matrix composites. Multi-AE (acoustic emission) sensor fusion is considered with the ai…